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trunnion

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noun trun·nion \ˈtrən-yən\

Definition of trunnion

  1. :  a pin or pivot on which something can be rotated or tilted; especially :  either of two opposite gudgeons on which a cannon is swiveled



Origin of trunnion

French trognon core, stump


First Known Use: circa 1625

Rhymes with trunnion


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